The state and importance of the present controversy, about the validity of lay-baptism, fairly represented in a letter to the author of Lay-Baptism invalid. In which is shewn, The Unreasonableness of the Clamours, and the Weakness of the Arguments, which are brought by those who would make all Lay-Baptism absolutely Null and Void. Occasioned by The severe Reflections made in several of their Writings; and particularly in A Letter from a Priest of the Church of England, and Rector of a Church in the City of London. And in The Bishop of Oxford's Charge, Consider'd. By a country clergy-man